Amino-PEG-Carboxylic Acid

H2N-(CH2)3-O-PEG-(CH2)5-COOH, Mw 2,000

Make to order

H2N-(CH2)3-O-PEG-(CH2)5-COOH, Mw 3,400

Make to order

H2N-(CH2)3-O-PEG-(CH2)5-COOH, Mw 5,000

Make to order